https://ppubs.uspto.gov/pubwebapp/static/pages/ppubsbasic.html Have a look. For ... | Hacker News

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		varispeed 62 days ago \| parent \| context \| favorite \| on: Show HN: Shoggoth Mini – A soft tentacle robot pow... https://ppubs.uspto.gov/pubwebapp/static/pages/ppubsbasic.ht... Have a look. For instance in the search box enter "categories".

dotancohen 62 days ago [–]

  > Search results
  > Results for query "(Categories).pn."

  > No records found

varispeed 62 days ago | [–]

I am sorry for not being precise. You should enter "Categories" in "For" input. (in the "Or" section)

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